Pair the Ring Scanner to the device using Simple Serial Interface.
Swipe up from the bottom of the Home screen and touch .
Using the Ring Scanner, scan the barcode on the screen.
The Ring Scanner emits a string of high/low/high/low beeps. The Scan LED flashes green indicating that the Ring Scanner is attempting to establish a connection with the device. When a connection is established, the Scan LED turns off and the Ring Scanner emits one string of low/high beeps.
A notification appears on the Notification panel and the icon appears in the Status bar.